Objective: To explore the position of retractors on acetabulum in avoiding the lower limbs thrombus based on the anatomical and clinical study of external iliac vessel, femoral vessel, obturator nerve, sciatic nerve and acetabular.

Methods 20 patients whose first mandibular molars were extracted were involved in this study, using Edgewise appliance, welding hook in mesiolingual band, cooperating II class traction, the molar space were closed in sliding.

方法对20例第一磨牙缺失的病例，采用Edgewise矫治技术，带环近中点焊舌钮或自制拉钩，适当配合II类牵引，滑动关闭磨牙间隙。

互联网摘选

Any promise sealed by a pinky-swear shall never be broken!

任何事情只要拉钩就得算数！

provided by jukuu

In order to fully expose operative field, the retractor should be used to hold off muscles and other tissues, which contributed to long-term vascular compression and blood flow retardation.

为充分暴露手术视野，用拉钩阻挡肌肉等组织，即造成血管的长期积压，血流迟缓。

互联网摘选

Skeletal Crossbite of Anterior Teeth Treated by Improved Chincap With Lengthwise and Protraction Appliances-Attached Roentgenographic Cephalometric Analysis of 11 Cases

改良颏兜长拉钩前牵引矫治器治疗骨性前牙反（牙合）&附11例X线头影测量分析

互联网摘选

· METHODS: Five operation methods were used: ( 1) phacoemulsification combined with intraocular implantation with the help of iris retractor;

方法：5种不同术式：①虹膜拉钩应用下，超声乳化联合人工晶状体植入；

互联网摘选

The first time Priya came to L.A. Leonard and I made a pact out of respect to our friendship and to you that neither of us would her. Rsj: Did you

普丽娅第一次来洛杉矶时，我和莱纳德出于对我们友情以及对你的尊敬，我们约定，谁也不能泡你妹妹。拉杰：你们拉钩钩了吗？

互联网摘选

Clinical Application of CCRS in Anterior Cervical Spine Surgery

颈椎前路自动撑开拉钩的临床应用价值

互联网摘选

Manufacture and clinical application of deserted micro-iris-hook

抛弃式微型虹膜拉钩的研制和临床应用

互联网摘选

The hook was clamped by two screw nuts on the screw, and these makes up of the retractor finally.

不锈钢丝拉钩经两个螺母夹持固定在磁力底座的螺栓上，组成简易的磁力底座拉钩；

互联网摘选

Conclusion The injury of sciatic nerve on total hip replacement usually results from by old acetabular fracture dislocation or unsuitable position of hand fingers of the persons or screw.

结论在THR术中陈旧髋臼骨折脱位、拉钩的位置不当、螺钉固定髋臼位置不当均可以损伤SN。

互联网摘选

Application of nerve root retractor in lumbar disc surgery: 116 cases report

自制神经根拉钩在腰椎间盘突出症手术治疗中应用116例

互联网摘选

We introduced the application of a serial of self-made instruments such as electric knife bit, retractor, deep knotter in minicholecystectomy ( MC).

介绍自制器械包括电刀头、头拉钩、部打结器在小切口胆囊切除术的应用。

互联网摘选

CONCLUSION: It is confirmed that the clasp and the screw fixation can be done on the safe region at the 1-3 o'clock and the 5-6 o'clock.

结论：确定拉钩及螺丝钉固定在1～3点及5～6点为安全区。

互联网摘选

Conclusion Micro iris hooks as the major adjunct would help the surgeons to dilate small pathological pupils and maintain aesthetic and functional pupils.

结论以显微虹膜拉钩为主要手段的综合性扩瞳措施有利于在超声乳化手术中辅助扩大病理性小瞳孔，保持术后瞳孔的良好形态与功能。

互联网摘选

Objective: To investigate the clinical application of Caspar Cervical Retractor System ( CCRS) in anterior cervical spine surgery.

目的：探讨CCRS拉钩在颈椎前路手术中的应用方法及结果。

互联网摘选

Conclusion: The safe position and depth of retractors placed on acetabulum in THR is an important factor in avoiding the lower limbs thrombus.

结论：通过解剖学与临床观察研究，确定在THR中拉钩放置位置、深度是避免下肢深静脉血栓的重要因素。

互联网摘选

Invention and Clinical application of specialized endoscopic thyroidectomy's retractor

腔镜甲状腺手术拉钩的临床应用

互联网摘选

Objective to explore the safety of iris hook in the vitrectomy operation of eyes with small pupil.

目的探讨虹膜拉钩在小瞳孔玻璃体手术中应用的安全性。

互联网摘选

Results The causes includes: ( 1) During the operation, esophagus was oppressed by a clasp for so long time that made a pressure necrosis of the esophagus;

结果颈椎前路手术后食道瘘的发生原因（1）术中拉钩长时间压迫食道，致牵拉处食道缺血坏死6例；

互联网摘选

Treating the secretion otitis media and the simple otitis media suppurativa with the eustachian catheter through mouth by the soft palate retractor

软腭拉钩协助下经口咽鼓管注药治疗分泌性及单纯型化脓性中耳炎

互联网摘选